* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
  font-size: 12px;
  color:#000 }

body, ul, li, h5, p {
  padding: 0;
  margin: 0;
  font-family: "Microsoft YaHei",Helvetica;

 }

body, html, .con {
  width: 100%;
  height: 100%;
  position: relative;
}

em, i, b, a{
  font-style: normal;
}

li {
  list-style: none;
  display: block; }
.courselist{
  width: 1148px;
  margin-top:40px;
  margin:auto;
}
.title{
  height:352px;
  width:1148px;
  /*border: 1px solid #ccc;*/
  position: relative;
  box-shadow: -1px -3px 11px #d9d9d9;

}
.title dl{
  margin: 15px;
}
.title dl dt img{
  width:503px;
  height: 322px;
  float:left;
  margin-right: 42px;
}
.title .share{
position: absolute;
right: 30px;
top:29px;
z-index: 99;
}
.title dl dd h4{
  margin-top:30px 0 50px 0;
}
.title dl dd p{

  line-height: 24px;
}
.title dl dd h5{
  /*float: left;*/
  display: inline-block;
}

.title dl .title_coursetime{
  margin-top: 47px;

}
.title_teacher{
  margin-bottom:14px;
}
.title_money{
  margin-top:46px;
}
.money{
  font-size: 26px;
  color:#309d92;

}

.title dl button{
  display: inline-block;
  width:200px;
  height: 52px;
  color: #fff;
  border: none;
  background:#309d92;
  margin-top: 64px;
  font-size: 14px;
}
.course_content{
  width: 1148px;
  margin: auto;
  margin-top:28px;


}

.course_content .course{
 width: 843px;
 float: left;
 height: auto;
 box-shadow: -1px -3px 11px #d9d9d9;
}
.course_nav{
  padding-left: 30px;
  height:46px;
  line-height: 46px;
  border-bottom: 1px solid #d8d8d8;

}
.course_nav li{
 float: left;
 padding:0 10px;

}
.course_nav li a{
 color: #000;
  text-decoration: none;
  display: inline-block;
  height: 46px;

}
.course_nav li a:hover{
  border-bottom:4px solid #309d92;
  color: #309d92;
}
.course_nav li a.hover{
  border-bottom:4px solid #309d92;
  color:#309d92;
}
.course_content .instructor{
  width: 273px;
  height: auto;
  float: right;
  box-shadow: -1px -3px 11px #d9d9d9;
  border: 1px solid #f3f3f3;
}
.course_overview{
margin-top: 32px;
}
.course_overview_right{
  margin-left: 40px;
}
.course_overview_right p{
  line-height: 24px;
}

.course_overview_right  h5{
 height: 68px;
 font-size:15px;
 color: #000;
 line-height: 68px;
}
.course_overview_right p{
  color: #77787b;
  }
.course_overview_right_p1{
  margin-bottom:29px;
}

.course_overview_right  ul li{
  line-height: 30px;

}
.course_overview_right  ul li a{
  color:#77787b;
}

.instructor .course_nav{
  padding-left: 26px;
  height:46px;
  line-height: 46px;
  border-bottom: 1px solid #d8d8d8;
}
.instructor dl{
   margin: 30px;
}
.instructor dt{
  float:left;
  width: 66px;
  height: 66px;
  margin-right:17px;
}
.instructor dd p{
color:#66686b;
padding-top: 10px;
}
.instructor dt img{
  width:66px;
  height:66px;

}

.course_list_list{
 margin-left:40px;
}
.course_list_list p{
  height: 24px;
  line-height: 24px;
}
.course_list_list p span{
  color: #24272d;
  padding-left:14px;
}
.course_list_list h5{
  display: inline-block;

}
.course_list_list  li{
  line-height: 36px;
  height: 36px;
}
.course_list_list  li a{
  color: #3e4045;
  font-size: 14px;
}
.course_list_list  li span{
  float: right;
  padding-right:26px;

}
.course_list_list  li span i{
  font-size: 12px;
  color: #989898;
}
.course_list_list  li span a{
  color: #32ab9e;
  padding-left:11px;

}
